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a="328110759" X-IronPort-AV: E=Sophos;i="5.88,250,1635231600"; d="scan'208";a="328110759" X-IronPort-AV: E=Sophos;i="5.88,250,1635231600"; d="scan'208";a="470867789" From: Zhang Chen To: "Dr. David Alan Gilbert" , Juan Quintela , qemu-dev Subject: [PATCH 1/3] migration/migration.c: Add missed default error handler for migration state Date: Fri, 31 Dec 2021 13:59:33 +0800 Message-Id: <20211231055935.1878503-2-chen.zhang@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211231055935.1878503-1-chen.zhang@intel.com> References: <20211231055935.1878503-1-chen.zhang@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.55.52.43; envelope-from=chen.zhang@intel.com; helo=mga05.intel.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) DKIMWL_WL_HIGH=-0.573, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Zhang Chen Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1640931571300000003 Content-Type: text/plain; charset="utf-8" In the migration_completion() no other status is expected, for example MIGRATION_STATUS_CANCELLING, MIGRATION_STATUS_CANCELLED, etc. Signed-off-by: Zhang Chen Reviewed-by: Dr. David Alan Gilbert Reviewed-by: Juan Quintela --- migration/migration.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/migration/migration.c b/migration/migration.c index 0652165610..2afa77da03 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -3205,7 +3205,7 @@ static void migration_completion(MigrationState *s) qemu_mutex_unlock_iothread(); =20 trace_migration_completion_postcopy_end_after_complete(); - } else if (s->state =3D=3D MIGRATION_STATUS_CANCELLING) { + } else { goto fail; } =20 --=20 2.25.1 From nobody Sun May 19 15:58:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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d="scan'208";a="470867800" From: Zhang Chen To: "Dr. David Alan Gilbert" , Juan Quintela , qemu-dev Subject: [PATCH 2/3] migration/migration.c: Avoid COLO boot in postcopy migration Date: Fri, 31 Dec 2021 13:59:34 +0800 Message-Id: <20211231055935.1878503-3-chen.zhang@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211231055935.1878503-1-chen.zhang@intel.com> References: <20211231055935.1878503-1-chen.zhang@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.55.52.43; envelope-from=chen.zhang@intel.com; helo=mga05.intel.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) DKIMWL_WL_HIGH=-0.573, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Zhang Chen Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1640932183062000001 Content-Type: text/plain; charset="utf-8" COLO dose not support postcopy migration and remove the Fixme. Signed-off-by: Zhang Chen Reviewed-by: Juan Quintela --- migration/migration.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 2afa77da03..3fac9c67ca 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -3230,7 +3230,11 @@ static void migration_completion(MigrationState *s) goto fail_invalidate; } =20 - if (!migrate_colo_enabled()) { + if (migrate_colo_enabled() && s->state =3D=3D MIGRATION_STATUS_ACTIVE)= { + /* COLO dose not support postcopy */ + migrate_set_state(&s->state, MIGRATION_STATUS_ACTIVE, + MIGRATION_STATUS_COLO); + } else { migrate_set_state(&s->state, current_active_state, MIGRATION_STATUS_COMPLETED); } @@ -3621,10 +3625,6 @@ static void migration_iteration_finish(MigrationStat= e *s) "COLO enabled", __func__); } migrate_start_colo_process(s); - /* - * Fixme: we will run VM in COLO no matter its old running state. - * After exited COLO, we will keep running. - */ /* Fallthrough */ case MIGRATION_STATUS_ACTIVE: /* --=20 2.25.1 From nobody Sun May 19 15:58:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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a="328110766" X-IronPort-AV: E=Sophos;i="5.88,250,1635231600"; d="scan'208";a="328110766" X-IronPort-AV: E=Sophos;i="5.88,250,1635231600"; d="scan'208";a="470867810" From: Zhang Chen To: "Dr. David Alan Gilbert" , Juan Quintela , qemu-dev Subject: [PATCH 3/3] migration/migration.c: Remove the MIGRATION_STATUS_ACTIVE when migration finished Date: Fri, 31 Dec 2021 13:59:35 +0800 Message-Id: <20211231055935.1878503-4-chen.zhang@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211231055935.1878503-1-chen.zhang@intel.com> References: <20211231055935.1878503-1-chen.zhang@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.55.52.43; envelope-from=chen.zhang@intel.com; helo=mga05.intel.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) DKIMWL_WL_HIGH=-0.573, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Zhang Chen Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1640931985143000001 Content-Type: text/plain; charset="utf-8" The MIGRATION_STATUS_ACTIVE indicates that migration is running. Remove it to be handled by the default operation, It should be part of the unknown ending states. Signed-off-by: Zhang Chen Reviewed-by: Juan Quintela --- migration/migration.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 3fac9c67ca..21e1498f46 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -3625,12 +3625,6 @@ static void migration_iteration_finish(MigrationStat= e *s) "COLO enabled", __func__); } migrate_start_colo_process(s); - /* Fallthrough */ - case MIGRATION_STATUS_ACTIVE: - /* - * We should really assert here, but since it's during - * migration, let's try to reduce the usage of assertions. - */ s->vm_was_running =3D true; /* Fallthrough */ case MIGRATION_STATUS_FAILED: --=20 2.25.1